Finding the Third Proportional to 7,078,774 and 10,931,096

Step by Step Solution

1. Step 1: Write the proportion equation
   7,078,774 : 10,931,096 = 10,931,096 : x
2. Step 2: Convert to fraction form
   7,078,774/10,931,096 = 10,931,096/x
3. Step 3: Cross multiply
   7,078,774x = 10,931,096 × 10,931,096
4. Step 4: Simplify right side
   7,078,774x = 119,488,859,761,216
5. Step 5: Solve for x
   x = 119,488,859,761,216/7,078,774
6. Step 6: Final answer
   x = 16,879,880.58